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Optical brightening agent / optical brightener 4bk c.i. 113: optical brightener 4bk c.i. 113: c.i. 113: cas 12768-92-2: structure: stilbene bistriazine derivative: moisture: 5%max: appearance: slight yellow uniform powder: shade:slight bluish: strength: 100±3%: fineness(120 meshes residue): 5%max: application: mainly be used in whitening of ...

Fancheng chemical is one of the leading china suppliers of quality organic pigment for textile printing pigment. this pigment comes in high quality, colorfast and very washable. equipped with professional developing team and high-end equipment, we have already established closely cooperative relationship with many famous companies.

Whitening agents / optical brighteners are additives that impart brightness to polymers and intensify the degree of whiteness. these agents function on the basis of the ‘fluorescence effect’; they absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic.

Oba speciality chemicals is a leading fluorescent whitening agent, fluorescent whitening agent manufacturers, fluorescent whitening agent exporters & fluorescent whitening agent suppliers in ahmedabad, gujarat, india.

professional red lake C organic pigments for pvc manufacturer with years's encounter, from China.We mostly supply professional red lake C organic pigments for pvc with good quality and competitive price tag.we've an expert professional red lake C organic pigments for pvc item designers.Our product is by means of the national qualified certification.


professional red lake C organic pigments for pvc exporter from China, we are one of the most skilled supplier from USA with ISO9001 Certification. Also the items have been certified by mutiple security certification.We are going to offer you our professional red lake C organic pigments for pvc priducts in top-quality and most favourable price.

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